Non-Cash Investing and Financing Activities Non-Cash Investing and Financing Activities (Narrative) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013 Business combination	Dec. 31, 2013 Office Domestic Business combination	Sep. 28, 2012 CPA: 15
Business Acquisition [Line Items]
Per share cash consideration			$ 1.25
Investment purchase price	$ 157.7	$ 33.6
Share per share exchange rate			0.2326